Q.
Four different independent waves are represented by
(i) $y_{1}=a_{1} \sin \omega t$
(ii) $y_{2}=a_{2} \sin 2 \omega t$
(iii) $y_{3}=a_{3} \cos \omega t$
(iv) $y_{4}=a_{4} \sin \left(\omega t+\frac{\pi}{3}\right)$
With which of two waves interference is possible?
Wave Optics
Solution: